Parus caeruleus vs tomtit

Parus caeruleus and tomtit both are nouns.

Word	Noun	Adjective	Verb	Adverb
Parus caeruleus	Yes	No	No	No
tomtit	Yes	No	No	No

As nouns, Parus caeruleus and tomtit are synonyms defined as:

Parus caeruleus and tomtit: widely distributed European titmouse with bright cobalt blue wings and tail and crown of the head

Other synonyms of Parus caeruleus include blue tit.

Parus caeruleus (noun)	tomtit (noun)
widely distributed European titmouse with bright cobalt blue wings and tail and crown of the head	widely distributed European titmouse with bright cobalt blue wings and tail and crown of the head